swamp gas
Meaning
- Gases emitted from a swamp.
- (colloquial) Hydrogen sulfide.
- A skeptical explanation that is provided in order to debunk a UFO sighting that a believer regards as ludicrous, illogical or disingenuous.
Translations
Sumpfgas
gaz des marais sulfure d'hydrogène
waterstofsulfide
sulfuro de hidrógeno
غاز المستنقعات gas de pantanosEtymology
* (hydrogen sulfide): So called because it is often emitted from wetlands such as swamps as a result of anaerobic bacteria, and is responsible for their foul “rotten egg” odor. * (ufology): An explanation given by then-skeptic J. Allen Hynek for an alleged UFO sighting in Michigan near Lake Huron in 1966.
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